int main(void) {
	uint8_t i;
	font_t	font1, font2;

	/* initialize and clear the display */
	gfxInit();

	/* Set some fonts */
	font1 = gdispOpenFont("UI2");
	font2 = gdispOpenFont("DejaVu Sans 12");
	gwinSetDefaultFont(font1);

	/* create the three console windows */
	{
		GWindowInit		wi;

		wi.show = TRUE;
		wi.x = 0; wi.y = 0; wi.width = gdispGetWidth(); wi.height = gdispGetHeight()/2;
		GW1 = gwinConsoleCreate(NULL, &wi);
		wi.y = gdispGetHeight()/2; wi.width = gdispGetWidth()/2; wi.height = gdispGetHeight();
		GW2 = gwinConsoleCreate(NULL, &wi);
		wi.x = gdispGetWidth()/2; wi.height = gdispGetHeight();
		GW3 = gwinConsoleCreate(NULL, &wi);
	}

	/* Use a special font for GW1 */
	gwinSetFont(GW1, font2);

	/* Set the fore- and background colors for each console */
	gwinSetColor(GW1, Green);
	gwinSetBgColor(GW1, Black);
	gwinSetColor(GW2, White);
	gwinSetBgColor(GW2, Blue);
	gwinSetColor(GW3, Black);
	gwinSetBgColor(GW3, Red);

	/* clear all console windows - to set background */
	gwinClear(GW1);
	gwinClear(GW2);
	gwinClear(GW3);

	/* Output some data on the first console */
	for(i = 0; i < 10; i++) {
		gwinPrintf(GW1, "Hello uGFX!\r\n");
	}

	/* Output some data on the second console */
	for(i = 0; i < 16; i++) {
		gwinPrintf(GW2, "Message Nr.: %d\r\n", i+1);
	}

	/* Output some data on the third console */
	for(i = 0; i < 18; i++) {
		gwinPrintf(GW3, "Message Nr.: %d\r\n", i+1);
	}

	while(TRUE) {
		gfxSleepMilliseconds(500);
	}
}
Exemple #2
0
int main(void) {
    halInit();
    chSysInit();

    /* Initialize and clear the display */
    gdispInit();
    gdispClear(Lime);

    /* Create two windows */
    GW1 = gwinCreateWindow(NULL, 20, 10, 200, 150);
    GW2 = gwinCreateWindow(NULL, 50, 190, 150, 100);

    /* Set fore- and background colors for both windows */
    gwinSetColor(GW1, Black);
    gwinSetBgColor(GW1, White);
    gwinSetColor(GW2, White);
    gwinSetBgColor(GW2, Blue);

    /* Clear both windows - to set background color */
    gwinClear(GW1);
    gwinClear(GW2);

    /*  
     * Draw two filled circles at the same coordinate
     * of each window to demonstrate the relative coordinates
     * of windows
     */
    gwinFillCircle(GW1, 20, 20, 15);
    gwinFillCircle(GW2, 20, 20, 15);

    while(TRUE) {
        chThdSleepMilliseconds(500);
    }   
}
Exemple #3
0
int main(void) {
    uint8_t i;
    font_t	font1, font2;

    halInit();
    chSysInit();

    /* initialize and clear the display */
    gdispInit();
    gdispClear(Black);
    font1 = gdispOpenFont("UI2 Double");
    font2 = gdispOpenFont("Small");

    /* create the three console windows and set a font for each */
    GW1 = gwinCreateConsole(NULL, 0, 0, gdispGetWidth(), gdispGetHeight()/2, font1);
    GW2 = gwinCreateConsole(NULL, 0, gdispGetHeight()/2, gdispGetWidth()/2, gdispGetHeight(), font2);
    GW3 = gwinCreateConsole(NULL, gdispGetWidth()/2, gdispGetHeight()/2, gdispGetWidth(), gdispGetHeight(), font2);

    /* Set the fore- and background colors for each console */
    gwinSetColor(GW1, Green);
    gwinSetBgColor(GW1, Black);
    gwinSetColor(GW2, White);
    gwinSetBgColor(GW2, Blue);
    gwinSetColor(GW3, Black);
    gwinSetBgColor(GW3, Red);

    /* clear all console windows - to set background */
    gwinClear(GW1);
    gwinClear(GW2);
    gwinClear(GW3);

    /* receive the stream pointers of each console */
    S1 = gwinGetConsoleStream(GW1);
    S2 = gwinGetConsoleStream(GW2);
    S3 = gwinGetConsoleStream(GW3);

    /* Output some data on the first console */
    for(i = 0; i < 10; i++) {
        chprintf(S1, "Hello ChibiOS/GFX!\r\n");
    }

    /* Output some data on the second console */
    for(i = 0; i < 16; i++) {
        chprintf(S2, "Message Nr.: %d\r\n", i+1);
    }

    /* Output some data on the third console */
    for(i = 0; i < 18; i++) {
        chprintf(S3, "Message Nr.: %d\r\n", i+1);
    }

    while(TRUE) {
        chThdSleepMilliseconds(500);
    }
}
Exemple #4
0
static void createWidgets(void) {
	GWidgetInit	wi;
 
	// Apply some default values for GWIN
	wi.customDraw = 0;
	wi.customParam = 0;
	wi.customStyle = 0;
	wi.g.show = TRUE;
 
	// Apply the console parameters	
	wi.g.width = 215;
	wi.g.height = 280;
	wi.g.y = 20;
	wi.g.x = 10;
 
	// Create the actual console
	ghConsole = gwinConsoleCreate(NULL, &wi.g);
 
	// Set the console fore- and background colors
	gwinSetColor(ghConsole, Yellow);
	gwinSetBgColor(ghConsole, Black);
 
	// Clear the console
	gwinClear(ghConsole);
}
Exemple #5
0
	static void _gwm_vis(GHandle gh) {
		if (gh->vmt->Redraw) {
			#if GDISP_NEED_CLIP
				gdispSetClip(gh->x, gh->y, gh->width, gh->height);
			#endif
			gh->vmt->Redraw(gh);
		} else
			gwinClear(gh);
	}
Exemple #6
0
static void _updateColor(void) {
    uint32_t color;

    color  = (unsigned)gwinSliderGetPosition(ghSliderR) << 16;
    color |= (unsigned)gwinSliderGetPosition(ghSliderG) <<  8;
    color |= (unsigned)gwinSliderGetPosition(ghSliderB) <<  0;

    gwinSetBgColor(ghWindow1, HTML2COLOR(color));
    gwinClear(ghWindow1);
}
Exemple #7
0
static void DrawHeader(const char *title, bool_t btnNext, bool_t btnPrev, bool_t btnPlusMinus) {
	#if GDISP_NEED_CLIP
		gdispSetClip(0, 0, swidth, sheight);
	#endif
	gdispFillStringBox(0, 0, swidth, bHeight, "Touch Calibration", font, uRed, White, justifyLeft);
	if (btnNext)
		gdispFillStringBox(swidth-1*bWidth, 0, bWidth  , bHeight, "Next", font, Black, Gray, justifyCenter);
	if (btnPrev)
		gdispFillStringBox(swidth-2*bWidth, 0, bWidth-1, bHeight, "Prev", font, Black, Gray, justifyCenter);
	if (btnPlusMinus) {
		gdispFillStringBox(swidth-2*bWidth-1*bWidth2, 0, bWidth2-1, bHeight, "+", font, Black, Gray, justifyCenter);
		gdispFillStringBox(swidth-2*bWidth-2*bWidth2, 0, bWidth2-1, bHeight, "-", font, Black, Gray, justifyCenter);
	}
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n%s\n\n", title);
	gwinSetColor(ghc, White);
}
Exemple #8
0
/**
 * Create the widgets.
 */
static void createWidgets(void) {
	GWidgetInit		wi;

	gwinWidgetClearInit(&wi);

	// Create the console - set colors before making it visible
	wi.g.show = FALSE;
	wi.g.x = 0; wi.g.y = 0;
	wi.g.width = gdispGetWidth(); wi.g.height = gdispGetHeight()/2;
	ghConsole = gwinConsoleCreate(0, &wi.g);
	gwinSetColor(ghConsole, Black);
	gwinSetBgColor(ghConsole, HTML2COLOR(0xF0F0F0));
	gwinShow(ghConsole);
	gwinClear(ghConsole);

	// Create the keyboard
	wi.g.show = TRUE;
	wi.g.x = 0; wi.g.y = gdispGetHeight()/2;
	wi.g.width = gdispGetWidth(); wi.g.height = gdispGetHeight()/2;
	ghKeyboard = gwinKeyboardCreate(0, &wi);
}
Exemple #9
0
/*
 * Application entry point.
 */
int main(void) {
	GHandle					ghScope;
	coord_t					swidth, sheight;

	gfxInit();

	/* Get the screen dimensions */
	swidth = gdispGetWidth();
	sheight = gdispGetHeight();

	/* Set up the scope window to fill the screen */
	ghScope = gwinCreateScope(&gScopeWindow, 0, 0, swidth, sheight, MY_AUDIO_CHANNEL, MY_AUDIO_FREQUENCY);
	gwinSetBgColor(ghScope, White);
	gwinSetColor(ghScope, Red);
	gwinClear(ghScope);

	/* Just keep displaying the scope traces */
	while (TRUE) {
		gwinWaitForScopeTrace(ghScope);
	}
}
Exemple #10
0
/*
 * Application entry point.
 */
int main(void) {
	GHandle					ghScope;
	coord_t					swidth, sheight;

	gfxInit();

	/**
	 * Allocate audio buffers - eg. 4 x 128 byte buffers.
	 *	You may need to increase this for slower cpu's.
	 *	You may be able to decrease this for low latency operating systems.
	 *	8 x 256 seems to work on the really slow Olimex SAM7EX256 board (display speed limitation) @8kHz
	 * If your oscilloscope display stops then it is likely that your driver has stalled due to running
	 *  out of free buffers. Increase the number of buffers..
	 */
	gfxBufferAlloc(8, 256);

	/* Get the screen dimensions */
	swidth = gdispGetWidth();
	sheight = gdispGetHeight();

	/* Set up the scope window to fill the screen */
	{
		GWindowInit	wi;

		gwinClearInit(&wi);
		wi.show = TRUE;
		wi.x = wi.y = 0;
		wi.width = swidth; wi.height = sheight;
		ghScope = gwinScopeCreate(&gScopeWindow, &wi, MY_AUDIO_CHANNEL, MY_AUDIO_FREQUENCY, MY_AUDIO_FORMAT);
	}
	gwinSetBgColor(ghScope, White);
	gwinSetColor(ghScope, Red);
	gwinClear(ghScope);

	/* Just keep displaying the scope traces */
	while (TRUE) {
		gwinScopeWaitForTrace(ghScope);
	}
}
Exemple #11
0
/*------------------------------------------------------------------------*
 * GINPUT Touch Driver Calibrator.                                        *
 *------------------------------------------------------------------------*/
int main(void) {
	GSourceHandle			gs;
	GEventMouse				*pem;
	coord_t					swidth, sheight;
	GHandle					ghc;
	GEventType				deviceType;
	bool_t					calibrated;
	coord_t					bWidth, bHeight;

	gfxInit();		// Initialize the display

	// Get the display dimensions
	swidth = gdispGetWidth();
	sheight = gdispGetHeight();
	calibrated = FALSE;

	// Create our title
	font = gdispOpenFont("UI2");
	gwinSetDefaultFont(font);
	bWidth = gdispGetStringWidth("Next", font);
	bHeight = gdispGetStringWidth("Prev", font);
	if (bHeight > bWidth) bWidth = bHeight;
	bWidth += 4;
	bHeight = gdispGetFontMetric(font, fontHeight)+2;
	gdispFillStringBox(0, 0, swidth, bHeight, "Touch Calibration", font, Red, White, justifyLeft);

	// Create our main display window
	{
		GWindowInit				wi;

		gwinClearInit(&wi);
		wi.show = TRUE; wi.x = 0; wi.y = bHeight; wi.width = swidth; wi.height = sheight-bHeight;
		ghc = gwinConsoleCreate(&gc, &wi);
	}
	gwinClear(ghc);

	// Initialize the mouse in our special no calibration mode.
	geventListenerInit(&gl);
	gs = ginputGetMouse(9999);
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Device Type
	 */

StepDeviceType:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n1. DEVICE TYPE\n\n");

	pem = (GEventMouse *)&gl.event;
	ginputGetMouseStatus(0, pem);
	deviceType = pem->type;

	gwinSetColor(ghc, White);
	gwinPrintf(ghc, "This is detected as a %s device\n\n",
		deviceType == GEVENT_MOUSE ? "MOUSE" : (pem->type == GEVENT_TOUCH ? "TOUCH" : "UNKNOWN"));

	if (calibrated)
		gwinPrintf(ghc, "Press Next or Back to continue.\n");
	else if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Click the mouse button to move on to the next test.\n");
	else
		gwinPrintf(ghc, "Press and release your finger to move on to the next test.\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (calibrated) {
			if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
				if ((pem->meta & GMETA_MOUSE_UP)) {
					if (pem->x >= swidth-bWidth)
						break;
					goto StepClickJitter;
				}
			}
		} else if ((pem->meta & GMETA_MOUSE_UP))
			break;
	}

	/*
	 * Test: Mouse raw reading jitter
	 */

StepRawJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n2. GINPUT_MOUSE_READ_CYCLES\n\n");

	gwinSetColor(ghc, White);
	if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Press and hold the mouse button.\n\n");
	else
		gwinPrintf(ghc, "Press and hold on the surface.\n\n");
	gwinPrintf(ghc, "Numbers will display in this window.\n"
			"Ensure that values don't jump around very much when your finger is stationary.\n\n"
			"Increasing GINPUT_MOUSE_READ_CYCLES helps reduce jitter but increases CPU usage.\n\n");

	if (calibrated)
		gwinPrintf(ghc, "Press Next or Back to continue.\n");
	else if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Release the mouse button to move on to the next test.\n");
	else
		gwinPrintf(ghc, "Release your finger to move on to the next test.\n");

	// For this test turn on ALL mouse movement events
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEUPMOVES|GLISTEN_MOUSEMETA|GLISTEN_MOUSENOFILTER);

	while(1) {
		// Always sleep a bit first to enable other events. We actually don't
		// mind missing events for this test.
		gfxSleepMilliseconds(100);
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (calibrated) {
			if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
				if ((pem->meta & GMETA_MOUSE_UP)) {
					if (pem->x >= swidth-bWidth)
						break;
					goto StepDeviceType;
				}
			}
		} else if ((pem->meta & GMETA_MOUSE_UP))
			break;
		gwinPrintf(ghc, "%u:%u z=%u b=0x%04x m=%04x\n", pem->x, pem->y, pem->z, pem->current_buttons, pem->meta);
	}

	// Reset to just changed movements.
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Calibration
	 */

StepCalibrate:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n3. GINPUT_MOUSE_CALIBRATION_ERROR\n\n");
	gwinSetColor(ghc, Gray);
	gwinPrintf(ghc, "Ensure GINPUT_MOUSE_NEED_CALIBRATION = TRUE and GINPUT_MOUSE_CALIBRATION_ERROR is >= 0\n\n");
	gwinSetColor(ghc, White);
	gwinPrintf(ghc, "You will be presented with a number of points to touch.\nPress them in turn.\n\n"
			"If the calibration repeatedly fails, increase GINPUT_MOUSE_CALIBRATION_ERROR and try again.\n\n");

	if (calibrated)
		gwinPrintf(ghc, "Press Next to start the calibration.\n");
	else if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Click the mouse button to start the calibration.\n");
	else
		gwinPrintf(ghc, "Press and release your finger to start the calibration.\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (calibrated) {
			if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
				if ((pem->meta & GMETA_MOUSE_UP)) {
					if (pem->x >= swidth-bWidth)
						break;
					goto StepRawJitter;
				}
			}
		} else if ((pem->meta & GMETA_MOUSE_UP))
			break;
	}

	// Calibrate
	ginputCalibrateMouse(0);
	calibrated = TRUE;

	// Calibration used the whole screen - re-establish our title and Next and Previous Buttons
	gdispFillStringBox(0, 0, swidth, bHeight, "Touch Calibration", font, Green, White, justifyLeft);
	gdispFillStringBox(swidth-2*bWidth, 0, bWidth-1, bHeight, "Prev", font, Black, Gray, justifyCenter);
	gdispFillStringBox(swidth-1*bWidth, 0, bWidth  , bHeight, "Next", font, Black, Gray, justifyCenter);

	/*
	 * Test: Mouse coords
	 */

StepMouseCoords:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n4. Show Mouse Coordinates\n\n");

	gwinSetColor(ghc, White);
	if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Press and hold the mouse button.\n\n");
	else
		gwinPrintf(ghc, "Press and hold on the surface.\n\n");
	gwinPrintf(ghc, "Numbers will display in this window.\n"
			"Check the coordinates against where it should be on the screen.\n\n");

	gwinPrintf(ghc, "Press Next or Back to continue.\n");

	// For this test normal mouse movement events
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	while(1) {
		// Always sleep a bit first to enable other events. We actually don't
		// mind missing events for this test.
		gfxSleepMilliseconds(100);
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
			if ((pem->meta & GMETA_MOUSE_UP)) {
				if (pem->x >= swidth-bWidth)
					break;
				goto StepCalibrate;
			}
		}
		if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
			gwinPrintf(ghc, "%u:%u z=%u\n", pem->x, pem->y, pem->z);
	}

	// Reset to just changed movements.
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Mouse movement jitter
	 */

StepJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n4. GINPUT_MOUSE_MOVE_JITTER\n\n");

	gwinSetColor(ghc, White);
	if (deviceType == GEVENT_MOUSE)
		gwinPrintf(ghc, "Press and hold the mouse button and move around as if to draw.\n\n");
	else
		gwinPrintf(ghc, "Press firmly on the surface and move around as if to draw.\n\n");

	gwinPrintf(ghc, "Dots will display in this window. Ensure that when you stop moving your finger that "
			"new dots stop displaying.\nNew dots should only display when your finger is moving.\n\n"
			"Adjust GINPUT_MOUSE_MOVE_JITTER to the smallest value that this reliably works for.\n\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
			if ((pem->meta & GMETA_MOUSE_UP)) {
				if (pem->x >= swidth-bWidth)
					break;
				goto StepMouseCoords;
			}
		}
		if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
			gwinPrintf(ghc, ".");
	}

	/*
	 * Test: Polling frequency
	 */

StepPolling:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n5. GINPUT_MOUSE_POLL_PERIOD\n\n");

	gwinSetColor(ghc, White);
	gwinPrintf(ghc, "Press firmly on the surface (or press and hold the mouse button) and move around as if to draw.\n\n");
	gwinPrintf(ghc, "A green line will follow your finger.\n"
			"Adjust GINPUT_MOUSE_POLL_PERIOD to the highest value that provides a line without "
			"gaps that are too big.\nDecreasing the value increases CPU usage.\n"
			"About 25 (millisecs) normally produces good results."
			"This test can be ignored for interrupt driven drivers.\n\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
			if ((pem->meta & GMETA_MOUSE_UP)) {
				if (pem->x >= swidth-bWidth)
					break;
				goto StepJitter;
			}
		}
		if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
			gdispDrawPixel(pem->x, pem->y, Green);
	}
	
	/*
	 * Test: Click Jitter
	 */

StepClickJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n6. GINPUT_MOUSE_MAX_CLICK_JITTER\n\n");

	gwinSetColor(ghc, White);
	gwinPrintf(ghc, "Press and release the touch surface to \"click\".\nTry both short and long presses.\n");
	gwinPrintf(ghc, "For a mouse click with the left and right buttons.\n\n");
	gwinPrintf(ghc, "Dots will display in this window. A yellow dash is a left (or short) click. "
			"A red x is a right (or long) click.\n\n"
			"Adjust GINPUT_MOUSE_CLICK_JITTER to the smallest value that this reliably works for.\n"
			"Adjust GINPUT_MOUSE_CLICK_TIME to adjust distinguishing short vs long presses.\n"
			"TIME_INFINITE means there are no long presses (although a right mouse button will still work).\n\n"
			"Note: moving your finger (mouse) during a click cancels it.\n\n");
	gwinPrintf(ghc, "This is the last test but you can press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
			if ((pem->meta & GMETA_MOUSE_UP)) {
				if (pem->x >= swidth-bWidth)
					break;
				goto StepPolling;
			}
		}
		if ((pem->meta & GMETA_MOUSE_CLICK)) {
			gwinSetColor(ghc, Yellow);
			gwinPrintf(ghc, "-");
		}
		if ((pem->meta & GMETA_MOUSE_CXTCLICK)) {
			gwinSetColor(ghc, Red);
			gwinPrintf(ghc, "x");
		}
	}

	// Can't let this really exit
	goto StepDeviceType;
}
Exemple #12
0
int main(void) {
	GEvent *			pe;

	// Initialize the display
	gfxInit();

	// Set the widget defaults
	gwinSetDefaultFont(gdispOpenFont("*"));
	gwinSetDefaultStyle(&WhiteWidgetStyle, FALSE);
	gdispClear(White);

	// Connect the mouse
	#if GINPUT_NEED_MOUSE
		gwinAttachMouse(0);
	#endif

	// Create the gwin windows/widgets
	createWidgets();

    // Assign toggles and dials to specific buttons & sliders etc.
	#if GINPUT_NEED_TOGGLE
		gwinAttachToggle(ghButton1, 0, 0);
		gwinAttachToggle(ghButton2, 0, 1);
	#endif
	#if GINPUT_NEED_DIAL
		gwinAttachDial(ghSlider1, 0, 0);
		gwinAttachDial(ghSlider3, 0, 1);
	#endif

	// Make the console visible
	gwinSetVisible(ghConsole, TRUE);
	gwinClear(ghConsole);

    // We want to listen for widget events
	geventListenerInit(&gl);
	gwinAttachListener(&gl);

	// Press the Tab we want visible
	gwinRadioPress(ghTabButtons);

	while(1) {
		// Get an Event
		pe = geventEventWait(&gl, TIME_INFINITE);

		switch(pe->type) {
		case GEVENT_GWIN_BUTTON:
			gwinPrintf(ghConsole, "Button %s\n", gwinGetText(((GEventGWinButton *)pe)->button));
			break;

		case GEVENT_GWIN_SLIDER:
			gwinPrintf(ghConsole, "Slider %s=%d\n", gwinGetText(((GEventGWinSlider *)pe)->slider), ((GEventGWinSlider *)pe)->position);
			break;

		case GEVENT_GWIN_CHECKBOX:
			gwinPrintf(ghConsole, "Checkbox %s=%s\n", gwinGetText(((GEventGWinCheckbox *)pe)->checkbox), ((GEventGWinCheckbox *)pe)->isChecked ? "Checked" : "UnChecked");

			// If it is the Disable All checkbox then do that.
			if (((GEventGWinCheckbox *)pe)->checkbox == ghCheckDisableAll) {
				gwinPrintf(ghConsole, "%s All\n", ((GEventGWinCheckbox *)pe)->isChecked ? "Disable" : "Enable");
				setEnabled(!((GEventGWinCheckbox *)pe)->isChecked);
			}
			break;

		case GEVENT_GWIN_LIST:
			gwinPrintf(ghConsole, "List %s Item %d %s\n", gwinGetText(((GEventGWinList *)pe)->list), ((GEventGWinList *)pe)->item,
					gwinListItemIsSelected(((GEventGWinList *)pe)->list, ((GEventGWinList *)pe)->item) ? "Selected" : "Unselected");
			break;

		case GEVENT_GWIN_RADIO:
			gwinPrintf(ghConsole, "Radio Group %u=%s\n", ((GEventGWinRadio *)pe)->group, gwinGetText(((GEventGWinRadio *)pe)->radio));

			switch(((GEventGWinRadio *)pe)->group) {
			case GROUP_TABS:

				// Set control visibility depending on the tab selected
				setTab(((GEventGWinRadio *)pe)->radio);

				// Do some special animation for Label1 to demonstrate auto width sizing
				if (((GEventGWinRadio *)pe)->radio == ghTabLabels) {
					gwinPrintf(ghConsole, "Change Label Text\n");
					gfxSleepMilliseconds(1000);
					gwinSetText(ghLabel1, "Very Big Label", FALSE);

					gfxSleepMilliseconds(1000);
					gwinSetText(ghLabel1, "Label", FALSE);
				}
				break;

			case GROUP_COLORS:
				{
					const GWidgetStyle	*pstyle;

					gwinPrintf(ghConsole, "Change Color Scheme\n");

					if (((GEventGWinRadio *)pe)->radio == ghRadioYellow)
						pstyle = &YellowWidgetStyle;
					else if (((GEventGWinRadio *)pe)->radio == ghRadioBlack)
						pstyle = &BlackWidgetStyle;
					else
						pstyle = &WhiteWidgetStyle;

					// Clear the screen to the new color - we avoid the console area as it can't redraw itself
					#if GDISP_NEED_CLIP
						gdispUnsetClip();
					#endif
					gdispFillArea(0, 0, ScrWidth, ScrHeight/2, pstyle->background);
					gdispFillArea(0, ScrHeight/2, ScrWidth/2, ScrHeight/2, pstyle->background);

					// Update the style on all controls
					gwinSetDefaultStyle(pstyle, TRUE);
				}
				break;
			}
			break;

		default:
			gwinPrintf(ghConsole, "Unknown %d\n", pe->type);
			break;
		}
	}
	return 0;
}
Exemple #13
0
int main(void) {
	GEventKeyboard *pk;
	unsigned		i;

	/* initialize and clear the display */
	gfxInit();

	/* Set a font */
	gwinSetDefaultFont(gdispOpenFont("*"));

	// We want to listen for keyboard events
	geventListenerInit(&gl);
	geventAttachSource(&gl, ginputGetKeyboard(0), GLISTEN_KEYTRANSITIONS|GLISTEN_KEYUP);

	/* create the console window */
	{
		GWindowInit		wi;

		gwinClearInit(&wi);
		wi.show = TRUE;
		wi.x = 0; wi.y = 0; wi.width = gdispGetWidth(); wi.height = gdispGetHeight();
		GW = gwinConsoleCreate(0, &wi);

		/* Set the fore- and background colors for the console */
		gwinSetColor(GW, Yellow);
		gwinSetBgColor(GW, Black);
		gwinClear(GW);
	}


	/* Say Hello */
	gwinPrintf(GW, "Keyboard Monitor...\n");

	while(1) {
		// Get an Event
		pk = (GEventKeyboard *)geventEventWait(&gl, TIME_INFINITE);

		if (pk->type != GEVENT_KEYBOARD)
			continue;

		gwinPrintf(GW, "KEYSTATE: 0x%04X [ %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s]",
			pk->keystate,
			(!pk->keystate ? "NONE " : ""),
			((pk->keystate & GKEYSTATE_KEYUP) ? "KEYUP " : ""),
			((pk->keystate & GKEYSTATE_REPEAT) ? "REPEAT " : ""),
			((pk->keystate & GKEYSTATE_SPECIAL) ? "SPECIAL " : ""),
			((pk->keystate & GKEYSTATE_RAW) ? "RAW " : ""),
			((pk->keystate & GKEYSTATE_SHIFT_L) ? "LSHIFT " : ""),
			((pk->keystate & GKEYSTATE_SHIFT_R) ? "RSHIFT " : ""),
			((pk->keystate & GKEYSTATE_CTRL_L) ? "LCTRL " : ""),
			((pk->keystate & GKEYSTATE_CTRL_R) ? "RCTRL " : ""),
			((pk->keystate & GKEYSTATE_ALT_L) ? "LALT " : ""),
			((pk->keystate & GKEYSTATE_ALT_R) ? "RALT " : ""),
			((pk->keystate & GKEYSTATE_FN) ? "FN " : ""),
			((pk->keystate & GKEYSTATE_COMPOSE) ? "COMPOSE " : ""),
			((pk->keystate & GKEYSTATE_WINKEY) ? "WINKEY " : ""),
			((pk->keystate & GKEYSTATE_CAPSLOCK) ? "CAPSLOCK " : ""),
			((pk->keystate & GKEYSTATE_NUMLOCK) ? "NUMLOCK " : ""),
			((pk->keystate & GKEYSTATE_SCROLLLOCK) ? "SCROLLLOCK " : "")
			);
		if (pk->bytecount) {
			gwinPrintf(GW, " Keys:");
			for (i = 0; i < pk->bytecount; i++)
				gwinPrintf(GW, " 0x%02X", (uint8_t)pk->c[i]);
			gwinPrintf(GW, " [");
			for (i = 0; i < pk->bytecount; i++)
				gwinPrintf(GW, "%c", pk->c[i] >= ' ' && pk->c[i] <= '~' ? pk->c[i] : ' ');
			gwinPrintf(GW, "]");
		}
		gwinPrintf(GW, "\n");
	}
}
Exemple #14
0
int main(void) {
	GEvent *			pe;

	// Initialize the display
	gfxInit();

	// Set the widget defaults
	font = gdispOpenFont("*");			// Get the first defined font.
	gwinSetDefaultFont(font);
	gwinSetDefaultStyle(&WhiteWidgetStyle, FALSE);
	gdispClear(White);

	// Create the gwin windows/widgets
	createWidgets();

    // Assign toggles and dials to specific buttons & sliders etc.
	#if GINPUT_NEED_TOGGLE
		gwinAttachToggle(ghButton1, 0, 0);
		gwinAttachToggle(ghButton2, 0, 1);
	#endif
	#if GINPUT_NEED_DIAL
		gwinAttachDial(ghSlider1, 0, 0);
		gwinAttachDial(ghSlider3, 0, 1);
	#endif

	// Make the console visible
	gwinShow(ghConsole);
	gwinClear(ghConsole);

    // We want to listen for widget events
	geventListenerInit(&gl);
	gwinAttachListener(&gl);
	gtimerInit(&FlashTimer);

	#if !GWIN_NEED_TABSET
		// Press the Tab we want visible
		gwinRadioPress(ghTabButtons);
	#endif

	while(1) {
		// Get an Event
		pe = geventEventWait(&gl, TIME_INFINITE);

		switch(pe->type) {
		case GEVENT_GWIN_BUTTON:
			gwinPrintf(ghConsole, "Button %s\n", gwinGetText(((GEventGWinButton *)pe)->gwin));
			break;

		case GEVENT_GWIN_SLIDER:
			gwinPrintf(ghConsole, "Slider %s=%d\n", gwinGetText(((GEventGWinSlider *)pe)->gwin), ((GEventGWinSlider *)pe)->position);
			break;

		case GEVENT_GWIN_CHECKBOX:
			gwinPrintf(ghConsole, "Checkbox %s=%s\n", gwinGetText(((GEventGWinCheckbox *)pe)->gwin), ((GEventGWinCheckbox *)pe)->isChecked ? "Checked" : "UnChecked");

			// If it is the Disable All checkbox then do that.
			if (((GEventGWinCheckbox *)pe)->gwin == ghCheckDisableAll) {
				gwinPrintf(ghConsole, "%s All\n", ((GEventGWinCheckbox *)pe)->isChecked ? "Disable" : "Enable");
				setEnabled(!((GEventGWinCheckbox *)pe)->isChecked);

			// If it is the toggle button checkbox start the flash.
			} else if (((GEventGWinCheckbox *)pe)->gwin == ghCheckbox3) {
				gwinFlash(ghCheckbox3);
				gtimerStart(&FlashTimer, FlashOffFn, 0, FALSE, 3000);
			}
			break;

		case GEVENT_GWIN_LIST:
			gwinPrintf(ghConsole, "List %s Item %d %s\n", gwinGetText(((GEventGWinList *)pe)->gwin), ((GEventGWinList *)pe)->item,
					gwinListItemIsSelected(((GEventGWinList *)pe)->gwin, ((GEventGWinList *)pe)->item) ? "Selected" : "Unselected");
			break;

		case GEVENT_GWIN_RADIO:
			gwinPrintf(ghConsole, "Radio Group %u=%s\n", ((GEventGWinRadio *)pe)->group, gwinGetText(((GEventGWinRadio *)pe)->gwin));

			switch(((GEventGWinRadio *)pe)->group) {
			#if !GWIN_NEED_TABSET
				case GROUP_TABS:

					// Set control visibility depending on the tab selected
					setTab(((GEventGWinRadio *)pe)->gwin);

					// We show the state of some of the GUI elements here
					setProgressbar(((GEventGWinRadio *)pe)->gwin == ghTabProgressbar);
					if (((GEventGWinRadio *)pe)->gwin == ghTabLabels)
						setLabels();
					break;
			#endif

			case GROUP_COLORS:
				{
					const GWidgetStyle	*pstyle;

					gwinPrintf(ghConsole, "Change Color Scheme\n");

					if (((GEventGWinRadio *)pe)->gwin == ghRadioYellow)
						pstyle = &YellowWidgetStyle;
					else if (((GEventGWinRadio *)pe)->gwin == ghRadioBlack)
						pstyle = &BlackWidgetStyle;
					else
						pstyle = &WhiteWidgetStyle;

					// Clear the screen to the new color
					gdispClear(pstyle->background);

					// Update the style on all controls
					gwinSetDefaultStyle(pstyle, TRUE);
				}
				break;
			}
			break;

		#if GWIN_NEED_TABSET
			case GEVENT_GWIN_TABSET:
				gwinPrintf(ghConsole, "TabPage %u (%s)\n", ((GEventGWinTabset *)pe)->nPage, gwinTabsetGetTitle(((GEventGWinTabset *)pe)->ghPage));

				// We show the state of some of the GUI elements here
				setProgressbar(((GEventGWinTabset *)pe)->ghPage == ghPgProgressbars);
				if (((GEventGWinTabset *)pe)->ghPage == ghPgLabels)
					setLabels();
				break;
		#endif

		default:
			gwinPrintf(ghConsole, "Unknown %d\n", pe->type);
			break;
		}
	}
	return 0;
}
Exemple #15
0
/*------------------------------------------------------------------------*
 * GINPUT Touch Driver Calibrator.                                        *
 *------------------------------------------------------------------------*/
int main(void) {
	GSourceHandle			gs, gsNext, gsPrev;
	GEvent					*pe;
	GEventMouse				*pem;
	GEventGWinButton		*peb;
	coord_t					swidth, sheight;
	GHandle					ghc, ghNext, ghPrev;
	BaseSequentialStream	*gp;
	GEventType				deviceType;
	font_t					font;

	halInit();			// Initialise the Hardware
	chSysInit();		// Initialize the OS
	gdispInit();		// Initialize the display

	// Get the display dimensions
	swidth = gdispGetWidth();
	sheight = gdispGetHeight();
	ghNext = ghPrev = 0;

	// Create our title
	font = gdispOpenFont("UI2");
	gdispFillStringBox(0, 0, swidth, 20, "Touch Calibration", font, Red, White, justifyLeft);

	// Create our main display window
	ghc = gwinCreateConsole(&gc, 0, 20, swidth, sheight-20, font);
	gwinClear(ghc);
	gp = gwinGetConsoleStream(ghc);

	// Initialize the mouse in our special no calibration mode.
	geventListenerInit(&gl);
	gs = ginputGetMouse(9999);
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Device Type
	 */

StepDeviceType:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n1. DEVICE TYPE\n\n");

	pem = (GEventMouse *)&gl.event;
	ginputGetMouseStatus(0, pem);
	deviceType = pem->type;

	gwinSetColor(ghc, White);
	chprintf(gp, "This is detected as a %s device\n\n",
		deviceType == GEVENT_MOUSE ? "MOUSE" : (pem->type == GEVENT_TOUCH ? "TOUCH" : "UNKNOWN"));

	if (ghNext)
		chprintf(gp, "Press Next or Back to continue.\n");
	else if (deviceType == GEVENT_MOUSE)
		chprintf(gp, "Click the mouse button to move on to the next test.\n");
	else
		chprintf(gp, "Press and release your finger to move on to the next test.\n");

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepClickJitter;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
				break;
		}
	}

	/*
	 * Test: Mouse raw reading jitter
	 */

StepRawJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n2. GINPUT_MOUSE_READ_CYCLES\n\n");

	gwinSetColor(ghc, White);
	if (deviceType == GEVENT_MOUSE)
		chprintf(gp, "Press and hold the mouse button.\n\n");
	else
		chprintf(gp, "Press and hold on the surface.\n\n");
	chprintf(gp, "Numbers will display in this window.\n"
			"Ensure that values don't jump around very much when your finger is stationary.\n\n"
			"Increasing GINPUT_MOUSE_READ_CYCLES helps reduce jitter but increases CPU usage.\n\n");

	if (ghNext)
		chprintf(gp, "Press Next or Back to continue.\n");
	else if (deviceType == GEVENT_MOUSE)
		chprintf(gp, "Release the mouse button to move on to the next test.\n");
	else
		chprintf(gp, "Release your finger to move on to the next test.\n");

	// For this test turn on ALL mouse movement events
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA|GLISTEN_MOUSENOFILTER);

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepDeviceType;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
				chprintf(gp, "%u:%u\n", pem->x, pem->y);
			if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
				break;
		}
	}

	// Reset to just changed movements.
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Calibration
	 */

StepCalibrate:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n3. GINPUT_MOUSE_CALIBRATION_ERROR\n\n");
	gwinSetColor(ghc, Gray);
	chprintf(gp, "Ensure GINPUT_MOUSE_NEED_CALIBRATION = TRUE and GINPUT_MOUSE_CALIBRATION_ERROR is >= 0\n\n");
	gwinSetColor(ghc, White);
	chprintf(gp, "You will be presented with a number of points to touch.\nPress them in turn.\n\n"
			"If the calibration repeatedly fails, increase GINPUT_MOUSE_CALIBRATION_ERROR and try again.\n\n");

	if (ghNext)
		chprintf(gp, "Press Next to start the calibration.\n");
	else if (deviceType == GEVENT_MOUSE)
		chprintf(gp, "Click the mouse button to start the calibration.\n");
	else
		chprintf(gp, "Press and release your finger to start the calibration.\n");

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepRawJitter;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
				break;
		}
	}

	// Calibrate
	ginputCalibrateMouse(0);

	/* From now on we can use Next and Previous Buttons */
	if (!ghNext) {

		ghNext = gwinCreateButton(&gNext, swidth-50, 0, 50, 20, font, GBTN_NORMAL);
		gwinSetButtonText(ghNext, "Next", FALSE);
		gsNext = gwinGetButtonSource(ghNext);
		geventAttachSource(&gl, gsNext, 0);
		gwinAttachButtonMouseSource(ghNext, gs);

		ghPrev = gwinCreateButton(&gPrev, swidth-100, 0, 50, 20, font, GBTN_NORMAL);
		gwinSetButtonText(ghPrev, "Back", FALSE);
		gsPrev = gwinGetButtonSource(ghPrev);
		geventAttachSource(&gl, gsPrev, 0);
		gwinAttachButtonMouseSource(ghPrev, gs);

#if 0
		{
			GSourceHandle			gsButton1, gsButton2;

			// Attach a couple of hardware toggle buttons to our Next and Back buttons as well.
			//	We can always use the mouse to trigger the buttons if you don't want to use hardware toggles.
			//	This code depends on your hardware. Turn it on only if you have
			//	defined a board definition for your toggle driver. Then change
			//	the next two lines to be correct for your hardware. The values
			//	below are correct for the Win32 toggle driver.
			gsButton1 = ginputGetToggle(GINPUT_TOGGLE_MOMENTARY1);
			gsButton2 = ginputGetToggle(GINPUT_TOGGLE_MOMENTARY2);
			gwinAttachButtonToggleSource(ghNext, gsButton2);
			gwinAttachButtonToggleSource(ghPrev, gsButton1);
		}
#endif
	}

	// Calibration used the whole screen - re-establish our title
	gdispFillStringBox(0, 0, swidth, 20, "Touch Calibration", font, Green, White, justifyLeft);
	gwinButtonDraw(ghNext);
	gwinButtonDraw(ghPrev);

	/*
	 * Test: Mouse movement jitter
	 */

StepJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n4. GINPUT_MOUSE_MOVE_JITTER\n\n");

	gwinSetColor(ghc, White);
	if (deviceType == GEVENT_MOUSE)
		chprintf(gp, "Press and hold the mouse button and move around as if to draw.\n\n");
	else
		chprintf(gp, "Press firmly on the surface and move around as if to draw.\n\n");

	chprintf(gp, "Dots will display in this window. Ensure that when you stop moving your finger that "
			"new dots stop displaying.\nNew dots should only display when your finger is moving.\n\n"
			"Adjust GINPUT_MOUSE_MOVE_JITTER to the smallest value that this reliably works for.\n\n");
	chprintf(gp, "Press Next or Back to continue.\n\n");

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepCalibrate;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
				chprintf(gp, ".");
		}
	}

	/*
	 * Test: Polling frequency
	 */

StepPolling:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n5. GINPUT_MOUSE_POLL_PERIOD\n\n");

	gwinSetColor(ghc, White);
	chprintf(gp, "Press firmly on the surface (or press and hold the mouse button) and move around as if to draw.\n\n");
	chprintf(gp, "A green line will follow your finger.\n"
			"Adjust GINPUT_MOUSE_POLL_PERIOD to the highest value that provides a line without "
			"gaps that are too big.\nDecreasing the value increases CPU usage.\n"
			"About 25 (millisecs) normally produces good results."
			"This test can be ignored for interrupt driven drivers.\n\n");
	chprintf(gp, "Press Next or Back to continue.\n\n");

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepJitter;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
				gdispDrawPixel(pem->x, pem->y, Green);
		}
	}
	
	/*
	 * Test: Click Jitter
	 */

StepClickJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	chprintf(gp, "\n6. GINPUT_MOUSE_MAX_CLICK_JITTER\n\n");

	gwinSetColor(ghc, White);
	chprintf(gp, "Press and release the touch surface to \"click\".\nTry both short and long presses.\n");
	chprintf(gp, "For a mouse click with the left and right buttons.\n\n");
	chprintf(gp, "Dots will display in this window. A yellow dash is a left (or short) click. "
			"A red x is a right (or long) click.\n\n"
			"Adjust GINPUT_MOUSE_CLICK_JITTER to the smallest value that this reliably works for.\n"
			"Adjust GINPUT_MOUSE_CLICK_TIME to adjust distinguishing short vs long presses.\n"
			"TIME_INFINITE means there are no long presses (although a right mouse button will still work).\n\n"
			"Note: moving your finger (mouse) during a click cancels it.\n\n");
	chprintf(gp, "This is the last test but you can press Next or Back to continue.\n\n");

	while(1) {
		pe = geventEventWait(&gl, TIME_INFINITE);
		if (pe->type == GEVENT_GWIN_BUTTON) {
			peb = (GEventGWinButton *)pe;
			if (peb->button == ghPrev)
				goto StepPolling;
			if (peb->button == ghNext)
				break;
		}
		if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
			pem = (GEventMouse *)pe;
			if ((pem->meta & GMETA_MOUSE_CLICK)) {
				gwinSetColor(ghc, Yellow);
				chprintf(gp, "-");
			}
			if ((pem->meta & GMETA_MOUSE_CXTCLICK)) {
				gwinSetColor(ghc, Red);
				chprintf(gp, "x");
			}
		}
	}

	// Can't let this really exit
	goto StepDeviceType;
}
Exemple #16
0
int main(void) {
	uint8_t i;
	font_t	font1, font2;

	/* initialize and clear the display */
	gfxInit();

	/* Set some fonts */
	font1 = gdispOpenFont("UI2");
	font2 = gdispOpenFont("DejaVu Sans 12");
	gwinSetDefaultFont(font1);

	/* create the three console windows */
	{
		GWindowInit		wi;

		gwinClearInit(&wi);
		wi.show = TRUE;
		wi.x = 0; wi.y = 0; wi.width = gdispGetWidth(); wi.height = gdispGetHeight()/2;
		GW1 = gwinConsoleCreate(0, &wi);
		wi.y = gdispGetHeight()/2; wi.width = gdispGetWidth()/2; wi.height = gdispGetHeight();
		GW2 = gwinConsoleCreate(0, &wi);
		wi.x = gdispGetWidth()/2; wi.height = gdispGetHeight();
		GW3 = gwinConsoleCreate(0, &wi);
	}

	/* Use a special font for GW1 */
	gwinSetFont(GW1, font2);

	/* Set the fore- and background colors for each console */
	gwinSetColor(GW1, Green);
	gwinSetBgColor(GW1, Black);
	gwinSetColor(GW2, White);
	gwinSetBgColor(GW2, Blue);
	gwinSetColor(GW3, Black);
	gwinSetBgColor(GW3, Red);

	/* clear all console windows - to set background */
	gwinClear(GW1);
	gwinClear(GW2);
	gwinClear(GW3);

	/* Output some data on the first console */
	for(i = 0; i < 10; i++) {
		gwinPrintf(GW1, "Hello \033buGFX\033B!\n");
	}

	/* Output some data on the second console - Fast */
	for(i = 0; i < 32; i++) {
		gwinPrintf(GW2, "Message Nr.: \0331\033b%d\033B\033C\n", i+1);
	}

	/* Output some data on the third console - Slowly */
	for(i = 0; i < 32; i++) {
		gwinPrintf(GW3, "Message Nr.: \033u%d\033U\n", i+1);
		gfxSleepMilliseconds(500);
	}

	/* Make console 3 invisible and then visible again to demonstrate the history buffer */
	gwinPrintf(GW2, "Making red window \033uinvisible\033U\n");
	gwinSetVisible(GW3, FALSE);
	gfxSleepMilliseconds(1000);
	gwinPrintf(GW2, "Making red window \033uvisible\033U\n");
	gwinSetVisible(GW3, TRUE);
	gwinPrintf(GW3, "\033bI'm back!!!\033B\n", i+1);

	while(TRUE) {
		gfxSleepMilliseconds(500);
	}
}
Exemple #17
0
/*------------------------------------------------------------------------*
 * GINPUT Touch Driver Calibrator.                                        *
 *------------------------------------------------------------------------*/
int main(void) {
	GSourceHandle			gs;
	GEventMouse				*pem;
	bool_t					isFirstTime;
	bool_t					isCalibrated;
	bool_t					isTouch;
	bool_t					isFinger;
	const char *			isFingerText;
	const char *			deviceText;
	GMouse *				m;
	GMouseVMT *				vmt;
	GMouseJitter *			pjit;
	uint32_t				calerr;

	gfxInit();		// Initialize the display

	// Get the display dimensions
	swidth = gdispGetWidth();
	sheight = gdispGetHeight();

	// Create our title
	font = gdispOpenFont("UI2");
	gwinSetDefaultFont(font);
	bWidth = gdispGetStringWidth("Next", font);
	bHeight = gdispGetStringWidth("Prev", font);
	if (bHeight > bWidth) bWidth = bHeight;
	bWidth += 4;
	bWidth2 = gdispGetStringWidth("+", font)*2;
	bHeight = gdispGetStringWidth("-", font)*2;
	if (bHeight > bWidth2) bWidth2 = bHeight;
	bWidth2 += 4;
	bHeight = gdispGetFontMetric(font, fontHeight)*2+2;

	// Create our main display window
	{
		GWindowInit				wi;

		gwinClearInit(&wi);
		wi.show = TRUE; wi.x = 0; wi.y = bHeight; wi.width = swidth; wi.height = sheight-bHeight;
		ghc = gwinConsoleCreate(&gc, &wi);
	}

	// Initialize the listener
	geventListenerInit(&gl);

	// Copy the current mouse's VMT so we can play with it.
	m = (GMouse *)gdriverGetInstance(GDRIVER_TYPE_MOUSE, 0);
	if (!m) gfxHalt("No mouse instance 0");
	vmt = gfxAlloc(sizeof(GMouseVMT));
	if (!vmt) gfxHalt("Could not allocate memory for mouse VMT");
	memcpy(vmt, m->d.vmt, sizeof(GMouseVMT));

	// Swap VMT's on the current mouse to our RAM copy
	m->d.vmt = (const GDriverVMT *)vmt;

	// Listen for events
	gs = ginputGetMouse(0);
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	// Get initial display settings for buttons
	isFirstTime = TRUE;
	isCalibrated = (vmt->d.flags & GMOUSE_VFLG_CALIBRATE) ? FALSE : TRUE;
	calerr = 0;

	/*
	 * Test: Device Type
	 */

StepDeviceType:
	DrawHeader("1. Device Type", isCalibrated, isCalibrated && !isFirstTime, isCalibrated);

	// Get the type of device and the current mode
	isTouch = (vmt->d.flags & GMOUSE_VFLG_TOUCH) ? TRUE : FALSE;
	isFinger = (m->flags & GMOUSE_FLG_FINGERMODE) ? TRUE : FALSE;
	pjit = isFinger ? &vmt->finger_jitter : &vmt->pen_jitter;
	isFingerText = isFinger ? "finger" : "pen";
	deviceText = isTouch ? isFingerText : "mouse";

	gwinPrintf(ghc, "This is detected as a %s device\n\n", isTouch ? "TOUCH" : "MOUSE");
	gwinPrintf(ghc, "It is currently in %s mode\n\n", isFinger ? "FINGER" : "PEN");

	if (!isCalibrated)
		gwinPrintf(ghc, "Press and release your %s to move on to the next test.\n", deviceText);
	else {
		gwinPrintf(ghc, "Press + for pen or - for finger.\n");
		if (isFirstTime)
			gwinPrintf(ghc, "Press Next to continue.\n");
		else
			gwinPrintf(ghc, "Press Next or Back to continue.\n");
	}

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (isCalibrated) {
			switch (CheckButtons(pem)) {
			case BTN_NEXT:
				break;
			case BTN_PREV:
				if (!isFirstTime)
					goto StepDrawing;
				continue;
			case BTN_PLUS:
				m->flags &= ~GMOUSE_FLG_FINGERMODE;
				goto StepDeviceType;
			case BTN_MINUS:
				m->flags |= GMOUSE_FLG_FINGERMODE;
				goto StepDeviceType;
			default:
				continue;
			}
			break;
		}
		if ((pem->buttons & GMETA_MOUSE_UP))
			break;
	}

	/*
	 * Test: Mouse raw reading
	 */

StepRawReading:
	DrawHeader("2. Raw Mouse Output", FALSE, FALSE, FALSE);
	if (isTouch)
		gwinPrintf(ghc, "Press and hold on the surface.\n\n");
	else
		gwinPrintf(ghc, "Press and hold the mouse button.\n\n");
	gwinPrintf(ghc, "The raw values coming from your mouse driver will display.\n\n");
	gwinPrintf(ghc, "Make sure the x and y values change as you move.\n\n");

	gwinPrintf(ghc, "Release your %s to move on to the next test.\n", deviceText);

	// Make sure we are in uncalibrated mode
	m->flags &= ~(GMOUSE_FLG_CALIBRATE|GMOUSE_FLG_CLIP);

	// For this test turn on ALL mouse movement events
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEUPMOVES|GLISTEN_MOUSEMETA|GLISTEN_MOUSENOFILTER);

	while(1) {
		// Always sleep a bit first to enable other events. We actually don't
		// mind missing events for this test.
		gfxSleepMilliseconds(100);
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		gwinPrintf(ghc, "%u, %u z=%u b=0x%04x\n", pem->x, pem->y, pem->z, pem->buttons & ~GINPUT_MISSED_MOUSE_EVENT);
		if ((pem->buttons & GMETA_MOUSE_UP))
			break;
	}

	// Reset to calibrated condition
	if (isCalibrated) {
		m->flags |= GMOUSE_FLG_CLIP;
		if ((vmt->d.flags & GMOUSE_VFLG_CALIBRATE))
			m->flags |= GMOUSE_FLG_CALIBRATE;
	}

	// Reset to just changed movements.
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Calibration
	 */

StepCalibrate:
	DrawHeader("3. Calibration Jitter", isCalibrated, isCalibrated, isCalibrated);
	if ((vmt->d.flags & GMOUSE_VFLG_CALIBRATE)) {
		gwinPrintf(ghc, "You will be presented with a number of points to touch.\nPress them in turn.\n\n"
				"If the calibration repeatedly fails, increase the jitter for %s calibration and try again.\n\n", isFingerText);
		gwinPrintf(ghc, "Pressing the surface for longer gives more accurate results.\n\n");
		if (calerr)
			gwinPrintf(ghc, "Last calibration error ^ 2 = %u\n", calerr);
		gwinPrintf(ghc, "Calibration jitter (%s) = %u\n", isFingerText, pjit->calibrate);
		if (isCalibrated)
			gwinPrintf(ghc, "Press + or - to adjust.\n");
	} else {
		gwinPrintf(ghc, "This device does not need calibration.\n\n");
	}
	if (isCalibrated)
		gwinPrintf(ghc, "Press Next or Back to continue.\n");
	else
		gwinPrintf(ghc, "Press and release your %s to move on to start calibration.\n", deviceText);

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (isCalibrated) {
			switch (CheckButtons(pem)) {
			case BTN_NEXT:
				break;
			case BTN_PREV:
				goto StepRawReading;
			case BTN_PLUS:
				gwinPrintf(ghc, "Calibration jitter (%s) = %u", isFingerText, ++pjit->calibrate);
				continue;
			case BTN_MINUS:
				gwinPrintf(ghc, "Calibration jitter (%s) = %u", isFingerText, --pjit->calibrate);
				continue;
			default:
				continue;
			}
			break;
		}
		if ((pem->buttons & GMETA_MOUSE_UP))
			break;
	}

	// Calibrate
	if ((vmt->d.flags & GMOUSE_VFLG_CALIBRATE)) {
		calerr = ginputCalibrateMouse(0);
		if (calerr)
			goto StepCalibrate;
		isCalibrated = TRUE;
	}

	/*
	 * Test: Mouse coords
	 */

StepMouseCoords:
	DrawHeader("4. Show Mouse Coordinates", TRUE, TRUE, TRUE);
	if (isTouch)
		gwinPrintf(ghc, "Press and hold on the surface.\n\n");
	else
		gwinPrintf(ghc, "Press and hold the mouse button.\n\n");
	gwinPrintf(ghc, "Check the coordinates against where it should be on the screen.\n\n");
	gwinPrintf(ghc, "X should be 0 to %u\nY should be 0 to %u\n\n", swidth-1, sheight-1);
	gwinPrintf(ghc, "Press + to retry using extremes or - for normal calibration.\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n");

	// For this test normal mouse movement events
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	while(1) {
		// Always sleep a bit first to enable other events. We actually don't
		// mind missing events for this test.
		gfxSleepMilliseconds(100);
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);

		switch (CheckButtons(pem)) {
		case BTN_NEXT:
			break;
		case BTN_PREV:
			goto StepCalibrate;
		case BTN_PLUS:
			vmt->d.flags |= GMOUSE_VFLG_CAL_EXTREMES;
			goto StepCalibrate;
		case BTN_MINUS:
			vmt->d.flags &= ~GMOUSE_VFLG_CAL_EXTREMES;
			goto StepCalibrate;
		default:
			gwinPrintf(ghc, "%u, %u\n", pem->x, pem->y);
			continue;
		}
		break;
	}

	// Reset to just changed movements.
	geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);

	/*
	 * Test: Mouse movement jitter
	 */

StepMovementJitter:
	DrawHeader("5. Movement Jitter", TRUE, TRUE, TRUE);
	if (isTouch)
		gwinPrintf(ghc, "Press firmly on the surface and move around as if to draw.\n\n");
	else
		gwinPrintf(ghc, "Press and hold the mouse button and move around as if to draw.\n\n");

	gwinPrintf(ghc, "Dots will display in this window. Ensure that when you stop moving your %s that "
			"new dots stop displaying.\nNew dots should only display when your %s is moving.\n\n"
			"Adjust %s movement jitter to the smallest value that this reliably works for.\n\n", deviceText, deviceText, isFingerText);
	gwinPrintf(ghc, "Movement jitter (%s) = %u\n", isFingerText, pjit->move);
	gwinPrintf(ghc, "Press + or - to adjust.\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		switch (CheckButtons(pem)) {
		case BTN_NEXT:
			break;
		case BTN_PREV:
			goto StepMouseCoords;
		case BTN_PLUS:
			gwinPrintf(ghc, "Movement jitter (%s) = %u", isFingerText, ++pjit->move);
			continue;
		case BTN_MINUS:
			gwinPrintf(ghc, "Movement jitter (%s) = %u", isFingerText, --pjit->move);
			continue;
		default:
			if ((pem->buttons & GINPUT_MOUSE_BTN_LEFT))
				gwinPrintf(ghc, ".");
			continue;
		}
		break;
	}

	/*
	 * Test: Click Jitter
	 */

StepClickJitter:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n6. Click Jitter\n\n");

	gwinSetColor(ghc, White);
	if (isTouch)
		gwinPrintf(ghc, "Press and release the touch surface to \"click\".\nTry both short and long presses.\n");
	else
		gwinPrintf(ghc, "Click the mouse with the left and right buttons.\n\n");
	gwinPrintf(ghc, "A yellow dash is a left (or short) click.\n"
			"A red x is a right (or long) click.\n\n"
			"Adjust %s click jitter to the smallest value that this reliably works for.\n"
			"Note: moving your %s during a click cancels it.\n\n", isFingerText, deviceText);
	gwinPrintf(ghc, "Click jitter (%s) = %u\n", isFingerText, pjit->click);
	gwinPrintf(ghc, "Press + or - to adjust.\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		switch (CheckButtons(pem)) {
		case BTN_NEXT:
			break;
		case BTN_PREV:
			goto StepMovementJitter;
		case BTN_PLUS:
			gwinPrintf(ghc, "Click jitter (%s) = %u", isFingerText, ++pjit->click);
			continue;
		case BTN_MINUS:
			gwinPrintf(ghc, "Click jitter (%s) = %u", isFingerText, --pjit->click);
			continue;
		default:
			if ((pem->buttons & GMETA_MOUSE_CLICK)) {
				gwinSetColor(ghc, Yellow);
				gwinPrintf(ghc, "-");
			}
			if ((pem->buttons & GMETA_MOUSE_CXTCLICK)) {
				gwinSetColor(ghc, uRed);
				gwinPrintf(ghc, "x");
			}
			continue;
		}
		break;
	}

	/*
	 * Test: Polling frequency
	 */

StepDrawing:
	gwinClear(ghc);
	gwinSetColor(ghc, Yellow);
	gwinPrintf(ghc, "\n7. Drawing\n\n");

	gwinSetColor(ghc, White);
	gwinPrintf(ghc, "Press firmly on the surface (or press and hold the mouse button) and move around as if to draw.\n\n");
	gwinPrintf(ghc, "A green line will follow your %s.\n\n", deviceText);
	gwinPrintf(ghc, "Pressing Next will start the tests again but with the option of changing pen/finger mode.\n\n");
	gwinPrintf(ghc, "Press Next or Back to continue.\n\n");

	while(1) {
		pem = (GEventMouse *)geventEventWait(&gl, TIME_INFINITE);
		if (pem->y < bHeight && pem->x >= swidth-2*bWidth) {
			if ((pem->buttons & GMETA_MOUSE_UP)) {
				if (pem->x >= swidth-bWidth)
					break;
				goto StepClickJitter;
			}
		}
		gdispDrawPixel(pem->x, pem->y, uGreen);
	}

	// Can't let this really exit
	isFirstTime = FALSE;
	goto StepDeviceType;
}
static msg_t notepadThread(void *param) {

  GEventMouse		*pem;
  GEventGWinButton	*peb;
  GHandle			ghc;

  (void)param;

  /* Get the display dimensions */
  swidth = gdispGetWidth();
  sheight = gdispGetHeight();

  font = gdispOpenFont("UI2");

  /* Initialize the mouse */
  geventListenerInit(&gl);
  ginputGetMouse(0);

  initButtons();

  /* Configure the GIF decoder with the toolbar Icon images */
  gdispImageSetMemoryReader(&toolbarImageFilmstrip, toolbarIcons);
  gdispImageOpen(&toolbarImageFilmstrip);

  /* Set clip to the entire screen */
  gdispSetClip(0, 0, swidth, sheight);

  /* Clear the screen with the window background
   * Also, draw the title bars */
  gdispClear(nCurColorScheme.winBgColor);
  gdispDrawBox(0, 0, swidth, sheight, nCurColorScheme.titleBarColor);
  gdispFillArea(0, 0, swidth, NPAD_TITLEBAR_HEIGHT, nCurColorScheme.titleBarColor);
  gdispDrawStringBox(NPAD_TITLETEXT_START_X,
                     NPAD_TITLETEXT_START_Y,
                     swidth,
                     NPAD_TITLEBAR_HEIGHT,
                     NPAD_TITLETEXT_STR,
                     font,
                     nCurColorScheme.titleTextColor,
                     justifyLeft);

  /* Create the drawing window, draw its border */
  gdispDrawBox(NPAD_DRAWING_AREA_START_X - 1,
               NPAD_DRAWING_AREA_START_Y - 1,
  			   NPAD_DRAWING_AREA_WIDTH + 2,
  			   NPAD_DRAWING_AREA_HEIGHT + 2,
  			   nCurColorScheme.drawingWinBorder);

  nDrawingArea = gwinCreateWindow(NULL,
								  NPAD_DRAWING_AREA_START_X,
								  NPAD_DRAWING_AREA_START_Y,
								  NPAD_DRAWING_AREA_WIDTH,
								  NPAD_DRAWING_AREA_HEIGHT);

  /* Create the bottom status bar console */
  ghc = gwinCreateConsole(NULL,
                          NPAD_STATUSBAR_START_X,
						  NPAD_STATUSBAR_START_Y,
                          NPAD_STATUSBAR_WIDTH,
                          NPAD_STATUSBAR_HEIGHT,
                          font);

  gdispImageDraw(&toolbarImageFilmstrip,
                 NPAD_STATUSBAR_ICON_START_X,
                 NPAD_STATUSBAR_ICON_START_Y,
                 NPAD_ICON_WIDTH,
                 NPAD_ICON_HEIGHT,
                 NPAD_ICON_START(12),
                 0);

  gwinSetBgColor(ghc, nCurColorScheme.winBgColor);
  gwinSetColor(ghc, Black);

  gstatusConsole = gwinGetConsoleStream(ghc);

  /* draw the buttons */
  gwinSetColor(nDrawingArea, Black);
  gwinSetBgColor(nDrawingArea, White);

  gwinClear(nDrawingArea);
  gwinClear(ghc);

  drawButtons();
  drawVButtons();

  chprintf(gstatusConsole, "Welcome to ChibiOS/GFX Notepad demo.");

  ncoreSpawnDrawThread(nDrawingArea, gstatusConsole);

  while(TRUE) {
	  pem = (GEventMouse *) geventEventWait(&gl, TIME_INFINITE);

	  /* button pressed... */
	  if (pem->type == GEVENT_GWIN_BUTTON) {
		peb = (GEventGWinButton *)pem;

		if (peb->button == H(btnNew)) {
		  // Reset all the settings
		  selColorIndex = 0;
		  selPenWidth = 0;
		  ncoreSetMode(NCORE_MODE_DRAW);

		  gwinSetColor(nDrawingArea, Black);
		  gwinSetBgColor(nDrawingArea, White);

		  // Refresh the buttons
		  drawButtons();
		  drawVButtons();

		  gwinClear(nDrawingArea);
		  chprintf(gstatusConsole, "\nScreen Cleared.");
		}
		else if (peb->button == H(btnOpen)) {
		  chprintf(gstatusConsole, "\nFile Open not implemented.");
		}
		else if (peb->button == H(btnSave)) {
		  chprintf(gstatusConsole, "\nFile Save not implemented.");
		}
		else if (peb->button == H(btnPencil)) {
		  ncoreSetMode(NCORE_MODE_DRAW);
		  drawVButtons();
		  chprintf(gstatusConsole, "\nPencil Tool Selected.");
		}
		else if (peb->button == H(btnEraser)) {
		  ncoreSetMode(NCORE_MODE_ERASE);
		  drawVButtons();
		  chprintf(gstatusConsole, "\nEraser Tool Selected.");
		}
		else if (peb->button == H(btnFill)) {
		  ncoreSetMode(NCORE_MODE_FILL);
		  drawVButtons();
		  chprintf(gstatusConsole, "\nFill Tool Selected.");
		}
		else if (peb->button == H(btnClose)) {
		  break;
		}
	  }
  }

  gwinDestroyWindow(ghc);
  // No need to destroy the buttons as they are statically allocated
  gdispCloseFont(font);
  ncoreTerminateDrawThread();
  gdispImageClose(&toolbarImageFilmstrip);

  return 0;
}
/* Core thread */
static msg_t ncoreDrawThread(void *msg) {

  GEventMouse ev, evPrev;
  coord_t dx, dy;

  int state = 0, dist;

  (void)msg;

  ginputGetMouseStatus(0, &evPrev);

  while (1) {

	// Exit signal received? If yes, terminate.
	if (chThdShouldTerminate())
	  return 0;

	ginputGetMouseStatus(0, &ev);
	switch(state) {
	  case 0:	if (ev.meta == GMETA_MOUSE_DOWN) {
				  state = 1;
				  if (nMode == NCORE_MODE_FILL && PEN_IN_DRAWING_AREA(ev)) {
					// Set bgcolor to current color, clear the display.
					ncoreDrawingArea->bgcolor = ncoreDrawingArea->color;
					gwinClear(ncoreDrawingArea);
				  }
				}
				else
				  chThdYield();
				break;


	  case 1:   if (ev.meta == GMETA_MOUSE_UP) {
				  state = 0;
				  //chprintf(nStatusConsole, "\nPen Up: (%d, %d)", ev.x, ev.y);
				  break;
				}

				dx = abs(ev.x - evPrev.x);
				dy = abs(ev.y - evPrev.y);

				dist = dx * dx + dy * dy;

				if (dist > 0)
				{
				   gdispSetClip(ncoreDrawingArea->x,
				                ncoreDrawingArea->y,
				                ncoreDrawingArea->width,
				                ncoreDrawingArea->height);

				   if (PEN_IN_DRAWING_AREA(ev)){
					// Do Interpolation
					if (dist <= 2) {
					  draw_point(ev.x, ev.y);
					}
					else if (dist <= 5) {
					  // Line drawing does not give good results for this case.
					  // So draw two pixels directly
					  draw_point(ev.x, ev.y);
					  draw_point((ev.x + evPrev.x) / 2,	(ev.y + evPrev.y) / 2);
					}
					else if (dx * dx <= MAX_DX && dy * dy <= MAX_DY) {
					  draw_line(ev.x, ev.y,	evPrev.x, evPrev.y);
					}
				  }

				  //chprintf(nStatusConsole, "\nPen Down: (%d, %d)", ev.x, ev.y);
				}
				break;
	}
	evPrev = ev;
  }

  return 0;
}